The health department has been monitoring the patient over the 21-day surveillance period recommended by the Center for Disease Control and Oklahoma State Department of Health. Thursday night they learned the patient had developed a fever.

The patient is a male and, being classified as low risk and being held at OSU Medical Center in Tulsa. Testing is currently underway and there is no time frame on when the results of the tests will be announced, the Tulsa Health Department said.

The individual was classified as 'low-risk' because the person did not have any known exposure to Ebola.